Deathberries, (Yew as Twolegs know them) are berries that if are eaten by a cat they are capable of killing in minutes.
Yellowfang originally blinded Brokenstar, and he was held in ThunderClan camp as a prisoner. When he betrayed the Clan by bringing his rogues in for an attack, Yellowfang killed him by feeding him poisinous deathberries.
Leafpool retreated with her head down. Then holly leaf went into the tunnels and they collapsed on her.
it is said that she went down in the tunnels with deathberries but then the tunnels collapsed and she died . (but i thinnk she is alive trying to get out.
Some of the poisonous herbs in the Warrior Cats series include deathberries (yew berries), poppy seeds (if used in excess), and foxglove (deadly when ingested). These herbs can harm cats if not used properly or in the correct dosage.
Because Sorrelkit followed Darkstripe to meeting Blackfoot about killing Brackenfur.
Hollyleaf gave Leafpool the deathberries because she blamed her for breaking the warrior code by having a forbidden relationship with Crowfeather and giving up her kits. Hollyleaf believed this act brought shame upon ThunderClan and felt it was her duty to punish Leafpool for her actions.
Longtail's mate is Mousefur. They were both members of ThunderClan in the Warriors series by Erin Hunter.
Darkstripe went to the Dark Forest because of his loyalty to Tigerstar and his desire for power. He was easily swayed by Tigerstar's ambitions and chose to follow him even after his death, seeking to elevate his own status by training in the Dark Forest.
Reason #1: Yellowfang said it would heal ALL his wounds.Reason #2: Brokenstar was not a medicine cat and not know that they were poisonous.Reason #3: Yellowfang had blinded him earlier. He could not see.Those are the 3 reasons. Thanks for asking.P.S. Why, do YOU think Yellowfang murdered him? These are my 5 reasons.Reason #1: Brokenstar had broken the Warrior Code by letting kits become apprentices at 3-4 moons.Reason #2: Brokenstar had killed many. Kits, apprentices, warriors, queens, and elders. This also breaks the Warrior Code.Reason #3: Brokenstar was not supposed to be born. The Yellow Fang had to bite the Broken Star that was falling and breaking everything in his path. Because of her. Because she gave birth to him.Reason #4: Brokenstar was getting all the other clans rebelling over ThunderClan.Becuase Bluestar was kind and gave him sanctuary.Reason #5: He was, right then, being rude to her.Comment below YOUR reasons!
Certain kinds of medicine are harmful to cats, like human medicines. Veternarians have special kinds of medicine for different kinds of animals. In the warriors series, some of the poultices, berries, and herbs can be fatal to cats if used in the wrong way or just given to them. A type of berry that is posionous to cats is yew, better known as deathberries.
They might have died from hard training but other than that I'm not sure.
Blossomkit is a pure white she-cat who was alive when Brokenstar was leader of ShadowClan, and died when he made her fight much to early. Rock mentions that when she was brought to Runningnose her fur was ripped off, and her pelt was as red as deathberries.